Avoiding misleading estimates of among‐individual variance caused by non‐random sampling of individuals in a changeable environment. - Réale, Denis; Allegue, Hassen; Araya‐Ajoy, Yimen G.; Dochtermann, Ned A.; Nakagawa, Shinichi; Pick, Joel L.; Schielzeth, Holger; Westneat, David F.; Dingemanse, Niels J. (Methods in Ecology & Evolution, 2026)